version 

supported railML version should be declared for software compatibility reasons, valid for all subschemas, don't mix railML versions between subschemas in one XML file

Attribute Information

Used By

Element rail:railml

Source 

<xs:attribute name="version" type="rail:tRailMLVersion">
  <xs:annotation>
    <xs:documentation>supported railML version should be declared for software compatibility reasons, valid for all subschemas, don't mix railML versions between subschemas in one XML file</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample